diff -Naur ibus-1.5.25/conf/dconf/main.c ibus-1.5.25.new/conf/dconf/main.c
--- ibus-1.5.25/conf/dconf/main.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/conf/dconf/main.c	2021-09-08 13:53:17.833396607 +0200
@@ -21,6 +21,7 @@
  * USA
  */
 
+#include <errno.h>
 #include <ibus.h>
 #include <stdlib.h>
 #include <locale.h>
diff -Naur ibus-1.5.25/conf/memconf/main.c ibus-1.5.25.new/conf/memconf/main.c
--- ibus-1.5.25/conf/memconf/main.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/conf/memconf/main.c	2021-09-08 13:53:43.513361844 +0200
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  * USA
  */
+#include <errno.h>
 #include <ibus.h>
 #include <stdlib.h>
 #include <locale.h>
diff -Naur ibus-1.5.25/portal/portal.c ibus-1.5.25.new/portal/portal.c
--- ibus-1.5.25/portal/portal.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/portal/portal.c	2021-09-08 14:07:36.300242490 +0200
@@ -30,6 +30,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <errno.h>
 
 #include "ibus-portal-dbus.h"
 
diff -Naur ibus-1.5.25/src/ibuscomposetable.c ibus-1.5.25.new/src/ibuscomposetable.c
--- ibus-1.5.25/src/ibuscomposetable.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/src/ibuscomposetable.c	2021-09-08 13:15:25.184529800 +0200
@@ -19,6 +19,7 @@
  * USA
  */
 
+#include <errno.h>
 #include <glib.h>
 #include <glib/gstdio.h>
 #include <stdlib.h>
diff -Naur ibus-1.5.25/src/ibusemoji.c ibus-1.5.25.new/src/ibusemoji.c
--- ibus-1.5.25/src/ibusemoji.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/src/ibusemoji.c	2021-09-08 13:22:14.227971403 +0200
@@ -23,6 +23,7 @@
 #include <config.h>
 #endif
 
+#include <errno.h>
 #include <glib.h>
 #include <glib/gstdio.h>
 #include "ibusemoji.h"
diff -Naur ibus-1.5.25/src/ibusregistry.c ibus-1.5.25.new/src/ibusregistry.c
--- ibus-1.5.25/src/ibusregistry.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/src/ibusregistry.c	2021-09-08 13:25:08.191728353 +0200
@@ -23,6 +23,7 @@
 #include <gio/gio.h>
 #include <glib/gstdio.h>
 #include <string.h>
+#include <errno.h>
 
 #include "ibusinternal.h"
 #include "ibusmarshalers.h"
diff -Naur ibus-1.5.25/src/ibusshare.c ibus-1.5.25.new/src/ibusshare.c
--- ibus-1.5.25/src/ibusshare.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/src/ibusshare.c	2021-09-08 13:29:17.527380024 +0200
@@ -32,6 +32,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <ibus.h>
+#include <errno.h>
 
 static gchar *_display = NULL;
 
diff -Naur ibus-1.5.25/src/ibusunicode.c ibus-1.5.25.new/src/ibusunicode.c
--- ibus-1.5.25/src/ibusunicode.c	2021-08-20 02:48:40.000000000 +0200
+++ ibus-1.5.25.new/src/ibusunicode.c	2021-09-08 13:32:06.475144580 +0200
@@ -23,6 +23,7 @@
 #include <config.h>
 #endif
 
+#include <errno.h>
 #include <glib.h>
 #include <glib/gstdio.h>
 #include "ibusinternal.h"